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Abstract #0789

Abbreviated MRI with Second Shot Arterial Phase for HCC Evaluation: Modified Version of LI-RADS and Recall Reduction Strategy

Jeong Woo Kim1 and Chang Hee Lee1
1Radiology, Korea University Guro Hospital, Seoul, Korea, Republic of

Synopsis

Keywords: Liver, LiverA modified version of LI-RADS was devised for abbreviated MRI (AMRI) with second shot arterial phase (SSAP) by referring to CEUS LI-RADS. The modified LI-RADS scores using AMRI with SSAP showed a high concordance rate with the conventional LI-RADS score using full-protocol MRI. The recall rate significantly decreased when the HCC surveillance and diagnosis strategy was changed from strategy 1 (AMRI without SSAP; surveillance then recall test) to strategy 2 (AMRI with SSAP; simultaneous surveillance and diagnosis).

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